Service observing on toll cords and trunks



May 31, 1955 Filed Oct. 2, 1952 V. E. ROSENE SERVICE OBSERVING ON TOLLCORDS AND TRUNKS 39 Sheets-Sheet 1 FIG. 2 FIG. 3

PULSE co/vu ccr FIG. 1'

c RECEIVING MF SENDING l FIG. 4 FIG. 5 FIG. 6 I FIG. 7

0c AND HP KEY 557 car com) SER. 05s.

TRUNK 7 FIG. /0 FIG. (CT FIG. 22

com) .conoso. l" TRK. 1" FIG. 8 FIG. 9

I I FIG /2 FIG. /3 FIG.- /4 FIG. FIG. 23 COMPLET'G E spa-. 50 OF ANSWER,2 1,Q

TRUNK so. ccz so TRUNK ccT. (Z

FIG [6 FIG. /7 He. /8 1%.24

7: 22:22; INTERTOLL M s. o. PULSl/VG (INTERTOLL) 1 FIG. /9 TR FIG.- 25FIG. 26 FIG. 29 INTERTOLL so. ccr na 20 P10. 2/ WTERMED- Pas/"0N I i}DIG/7' Am-comm;-

FIG- 27 F/G. .28 FIG. 30

no. 3/ FIG. 32 FIG. 33 I" LAST P05 PO52 ccz /0EN7.'CONZ 105m.- co/vz'IDEA/[CONT FIG. 34 F/G. 35 FIG. 36 P05. P05, P05? CONTROL CONTROLCONTROL 1: INTERMED. LAST FIG- 37 F761 35 FIG. 39 Z'TELEPHONE v F047 1vr/ /0 car car [NI/EA/TOR l. E ROSE V5 B) A 7'TORNEY May 31, 1955 v. E.ROSENE 2,709,722

SERVICE OBSERVING 0N TOLL CORDS AND TRUNKS Filed Oct. 2, 1952 Y 39Sheets-Sheet 2 PULSE CONVER TER Ccr FLOLA R/ZE D I INVE/V TOR k E.RO$ENE av C. 214012.11.

AT TORNE 1.

May 31, 1955 v. E. ROSENE SERVICE OBSERVING 0N TOLL CORDS AND TRUNKS 39Sheets-Sheet 3 Filed Oct. 2, 1952 /A/l/E/V7OR ME. ROSENE C. Maw.

\ mat A T TORN'E V May 31, 1955 v. E. ROSENE 2,709,722

7 SERVICE OBSERVING ON TOLL CORDS AND TRUNKS Filed Oct. 2, 1952 39Sheets-Sheet 4 DC AND MF KEV SET CCZ' REAR B ME. ROSENE AT TORNE V y 31,1955 v. E. ROSENE 2,709,722

SERVICE OBSERVING 0N 'rou. CORDS AND TRUNKS Filed Oct. 2, 1952 39Sheets-Sheet 5 q n '0 vq m MUL I'l FREQUENCY SUPPLY lNl/E/VTOR l! E.ROSE-NE FIGS A T TORNE V May 31, 1955 v. E. ROSENE SERVICE OBSERVING 0NTOLL *CORDS AND TRUNKS 39 Sheets-Sheet 6 Filed Oct. 2, 1952 INVENTOR. ME. ROSEWE A TTORNEV May 31, 1955 Filed Oct. 2, 1952 V. E. ROSENE SERVICEOBSERVING 0N TOLL CORDS AND TRUNKS 39 Sheets-Sheet 7 ATTORNEV y 1, 1955v. E. ROSENE 2,709,722

SERVICE OBSERVING 0N TOLL CORDS AND TRUNKS Filed Oct. 2, 1952 39Sheets-Sheet 8 AMPLIFIER u. 3 n. t Y

lNl/ENTOR M E. ROSENE A TTORNEV FIG. 8

May 31, 1955 v. E. ROSENE 2,709,722

SERVICE OBSERVING 0N TOLL CORDS AND TRUNKS Filed Oct. 2, 1952 39Sheets-Sheet 9 INVENTOR 14 E. ROSE/V5 C. MM v FIG. 9

May 31, 1955 v. E. ROSENE SERVICE OBSERVING ON TOLL CORDS AND TRUNKS 39Sheets-Sheet 10 Filed Oct. 2, 1952 INVENI'OR y I! E ROSE/V5 6'. )li

ATTORNEY May 31, 1955 v. E. ROSENE 2,709,722

SERVICE OBSERVING 0N TOLL CORDS AND TRUNKS Filed Oct. 2, 1952 39Sheets-Sheet l2 A TTOPNEV May 31, 1955 I v. E. ROSENE SERVICE OBSERVINGON TOLL CORDS AND TRUNKS 39 Sheets-=She et 13 HOW Hub 0 W RWkMZY k0Qmwoq Filed Oct. 2. 1952 SQ 8256M INVENTOR 14 E. ROSE/V5 6 A TTORNEY May31, 1955 v. EL'ROSENE I SERVICE OBSERVING on TOLL CORDS AND TRUNKS} A TTQRNE V May 31, 1955 v. E. ROSENE SERVICE OBSERVING 0N TOLL CORDS ANDTRUNKS 39 Sheets-Sheet 15 INVENTOR By M E. ROSENE v6.3 MD.

Filed Oct. 2, 1952 ATTORNEY y 1955 v. E. ROSENE- 2,709,722

SERVICE OBSERVING 0N TOLL CORDS AND TRUNKS Filed Oct. 2, 1952 39SheetsL-Sheet l6 T0 {Ii/COMING TRUNK TRAFFIC REG. CIRCUIT T0 [IO/COMINGSIGNALING CCT.

MAPG/NAL SEA/DER LINK AND CONN. CIRCUIT y 1955 v. E. ROSENE 2,709,722

SERVICE OBSERVING 0N TOLL coans AND TRUNKS Filed Oct. 2, 1952 s9Sheets-Sheet 1'! AMPLIFIER INVENTOR V. E. ROSENE A TTORNEV V. E. ROSENESERVICE OBSERVING 0N TOLL CORDS AND TRUNKS May 31, 1955 39 Sheets-Sheet18 Filed Oct. 2, 1952 //VVENTOR M E. ROSENE ATTORNEY May 31, 1955 v. E.ROSENE 2,709,722

SERVICE OBSERVING ON TOLL CORDS AND TRUNKS Filed Oct. 2, 1952 39Sheets-Sheet l9 lNVENTO/P V. E. ROSENE ATTORNEY FIG. /9

May 31, 1955 v. E. ROSENE 2,709,722

SERVICE OBSERVING ON TOLL CORDS AND TRUNKS Filed on. 2, 1952 asSheets-Sheet 2o INVENTOR M E. RQSENE A TTORNEY FIG. 20

